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Leobot Electronics South Africa - Electronic Component Supplier & Development Service Provider
Leobot Electronics Online Shop
R25.80
CD4017B and CD4022B are 5-stage and 4-stage Johnson counters having 10 and 8 decoded outputs, respectively. Inputs include a CLOCK, a RESET, and a CLOCK INHIBIT signal. Schmitt trigger action in the CLOCK input circuit provides pulse shaping that allows unlimited clock input pulse rise and fall times.
These counters are advanced one count at the positive clock signal transition if the CLOCK INHIBIT signal is low. Counter advancement via the clock line is inhibited when the CLOCK INHIBIT siganl is high. A high RESET signal clears the counter to its zero count. Use of the Johnson counter configuration permits high-speed operation, 2-input decode-gating and spike-free decoded outputs. Anti-lock gating is provided, thus assuring proper counting sequence. The decoded output are normally low and go high only at their respective decoded time slot. Each decoded output remains high for one full clock cycle. A CARRY-OUT signal completes on cycle every 10 clock input cycles in the CD4017B or every 8 clock input cycles in the CD4022B and is used to ripple-clock the succeeding device in a multi-device counting chain.
The CD4017B and CD4022B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic package (E suffix), 16-lead small-outline packages (NSR suffix), and 16-lead thin shrink small-outline packages (PW and PWR suffixes). The CD4017B types also are supplied in 16-lead small-outline packages (M and M96 suffixes).
Datasheet available here:https://leobot.net/datasheets/CD4022B.pdf
Package Group PDIP,SO,TSSOPVCC(Max)(V) 18Bits(#) 10tpd @ Nom Voltage(Max)(ns) 270Rating CatalogOutput Drive (IOL/IOH)(Max)(mA) 1.5/-1.5VCC(Min)(V) 3Voltage(Nom)(V) 5,10,15ICC @ Nom Voltage(Max)(mA) 0.03Operating Temperature Range(C) -55 to 125Function CounterF @ Nom Voltage(Max)(Mhz) 8Type DecadeTechnology Family CD4000
Length: 20.00mmWidth: 5.00mmHeight: 5.00mm
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